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Measurement E151M31

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: AUL
εL: 0.3201
Q2: 0.0496 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8837

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 42.0 0.8833 0.5245
0.15 54.0 0.2144 0.5141
0.25 30.0 1.0964 0.6012
0.25 42.0 -0.0182 0.4238
0.25 54.0 0.1614 0.5115
0.35 42.0 0.014 0.5073
0.35 54.0 0.078 0.5901
0.45 270.0 -0.092 0.4312
0.45 282.0 -0.5247 0.3359
0.45 294.0 0.7178 0.5251
0.55 258.0 0.4154 0.3554
0.55 270.0 0.4236 0.3176
0.55 282.0 0.5058 0.3048
0.55 294.0 0.4456 0.488
0.65 246.0 -0.4494 0.3572
0.65 258.0 0.0178 0.298
0.65 270.0 -0.0334 0.2916
0.65 282.0 -0.3052 0.2907
0.65 294.0 0.0655 0.5522
0.75 150.0 -0.2529 0.4283
0.75 162.0 -0.6166 0.4774
0.75 174.0 0.2305 0.5318
0.75 234.0 -0.5974 0.4139
0.75 246.0 0.4478 0.3866
0.75 258.0 0.0736 0.2752
0.75 270.0 0.1148 0.2691
0.75 282.0 0.1944 0.3507
0.85 126.0 0.2829 0.476
0.85 138.0 0.2968 0.3761
0.85 150.0 -0.0442 0.3244
0.85 162.0 0.3803 0.3565
0.85 174.0 0.2899 0.3494
0.85 186.0 0.3882 0.3602
0.85 198.0 0.2956 0.3917
0.85 210.0 -0.3247 0.3648
0.85 222.0 -0.169 0.499
0.85 246.0 0.0036 0.4427
0.85 258.0 0.5918 0.3788
0.85 270.0 -0.3075 0.3171
0.85 282.0 -0.3239 0.3806
0.95 126.0 -0.8475 0.3556
0.95 138.0 0.5377 0.4823
0.95 150.0 1.6216 1.6216
0.95 162.0 0.3331 0.3304
0.95 174.0 -0.4256 0.3329
0.95 186.0 -0.0303 0.3767
0.95 198.0 0.3702 0.4572
Created in SINP MSU, CLAS Collaboration